<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title></title>
  </head>
  <body>
    <form action="http://localhost:8080" method="post">
      用户：<input type="text" name="user" /><br>
      密码：<input type="password" name="pass" /><br>
      <input type="submit" value="提交" >
    </form>
  </body>
</html>
